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T-Mobile has brought HSPA+ service to some Philadelphia-area cell sites, a first for the carrier, but it says it remains fully committed to installing a 4G LTE network. An AT&T executive said last week that the telecom would skip HSPA+ and build directly to the 4G LTE standard. T-Mobile said it would expand its upgrade -- which it termed a software install -- to cover more of the Philadelphia market.

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T-Mobile USA made another attempt to compete with the iPhone and Verizon Wireless' Droid X as it began taking pre-orders for its G2 Android phone that will cost $200. The major difference between the G2 and other two smartphones: T-Mobile has built an HSPA+ chip into the handset to support its high-speed advanced 3G service that serves 55 markets.

T-Mobile USA is firing both barrels at its rivals, unveiling a USB stick for its HSPA+ advanced 3G network it is building in Philadelphia as well as HTC's HD2 smartphone whose large screen is aimed at accommodating movie downloads and e-books. The HSPA+ device will be the first from any U.S. wireless carrier, and T-Mobile will also detail today the progress it has made in expanding its high-speed network.

China Mobile and Nokia Siemens Networks have combined to build a LTE-based femtocell using the carrier's TD technology, China Mobile said today, adding that they successfully downloaded a live streaming video in a research lab. The TD-LTE femtocell would help improve indoor coverage, said a China Mobile executive.

In a confidential reply, Google asserts to the FCC that Apple did indeed reject the Internet company's voice application, the agency disclosed. Google Voice lets users retain a single contact number and access voice mail on all their devices.

China's Huawei will exploit multi-carrier and MIMO, or multiple-input-multiple-output, technologies to offer speeds of up to 56 megabits per second for its HSPA+ customers, most of whom are based in Asia. Huawei, which demonstrated the new technology at an industry event in China last week, hopes to begin commercial service next year.